toxcore/nacl/okcompilers/main.cpp
2013-07-02 09:53:34 -04:00

23 lines
529 B
C++

extern "C" {
extern int not3(int);
extern int bytes(int);
extern long long shr32(long long);
extern double double5(void);
}
int main(int argc,char **argv)
{
if (not3(3)) return 100;
/* on ppc32, gcc -mpowerpc64 produces SIGILL for >>32 */
if (!not3(shr32(1))) return 100;
/* on pentium 1, gcc -march=pentium2 produces SIGILL for (...+7)/8 */
if (bytes(not3(1)) != 1) return 100;
/* on pentium 1, gcc -march=prescott produces SIGILL for double comparison */
if (double5() < 0) return 100;
return 0;
}